Elevator zone determination method and related apparatus

By segmenting elevator images and translating boundary lines, a dynamic spatial baseline is generated, solving the accuracy problem of elevator guide rail and ground area identification and achieving highly robust and efficient elevator safety detection.

CN122156228APending Publication Date: 2026-06-05ZHEJIANG DAHUA TECH CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
ZHEJIANG DAHUA TECH CO LTD
Filing Date
2026-02-04
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

Traditional elevator inspection technologies struggle to accurately identify elevator guide rails and ground areas, especially in complex environments where they are ineffective. Existing methods are also susceptible to obstructions, resulting in low inspection accuracy.

Method used

By segmenting the elevator image, the elevator ground and guide rail areas are determined, and the boundary line of the ground area near the guide rail is translated to the outside of the guide rail. Combining these two aspects, the elevator area is determined, and a dynamic spatial baseline is generated.

Benefits of technology

It improves the accuracy and robustness of elevator area identification, reduces the false negative rate, enhances detection efficiency and response speed, and supports multi-dimensional elevator safety protection.

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Abstract

The application relates to an elevator area determination method and related devices. The elevator area determination method comprises: segmenting an elevator image to determine an elevator ground area and a guide rail area in the elevator image; translating a translation straight line of the elevator ground area to an outer side line of the guide rail area to obtain a translated boundary line, the translation straight line being a boundary line of a side of the elevator ground area close to the guide rail area; and determining the elevator area in combination with the elevator ground area and the translated boundary line. The application can obtain a relatively accurate elevator area, provide accurate and stable spatial relationship criteria for subsequent behavior recognition or target detection, and improve the accuracy of subsequent detection and recognition results.
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